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AIR FORCE INSTALLATION ID: CA957212452700

MARCH

riverside, California

Cost So Far

$182M

Money already spent on the evaluation and cleanup of hazardous sites.

Expected Additional Cost

$52.5M

The estimated amount of money needed for evaluation and cleanup of hazardous sites at this installation.

Expected Completion Date

2050

The date by which the DOD estimates cleanup of all sites will be complete. Long term monitoring may continue after this date.

82 Hazardous Sites

Below are the locations of hazardous sites associated with this military installation, according to the DOD. A site’s contamination may affect a much larger area, including public and private lands and the water supplies beneath them.

High Risk

Medium Risk

Low Risk

Risk Not Evaluated or Not Required

Response Complete

We haven't independently confirmed the location of every site. If you notice a site placed at the incorrect location, please contact us.

Not all sites in the DOD data include location information, so there may be sites listed below that are missing from the map. The risk level of a site refers to a relative risk assessment made by the DOD to prioritize the cleanup of sites.

Land Controls & Restrictions

Many sites have been declared “clean” by the DOD but are still not safe for people. This military installation is safe only with the following conditions in place: fences, signs, zoning. see more » environmental covenants fences signs zoning restrictions on groundwater withdrawal the grantee covenants not to conduct activities that would cause disturbance or removal of fencing or signs intended to exclude the public from the landfill grantee covenants not to conduct activities that would cause the surface application of water to the extent that the integrity of the landfill is impacted and injection of water or other fluids that might affect groundwater flow direction any buildings at site 7 will be constructed with engineering controls (e.g. vapor barriers, specialized fan systems). do not disturb, move, damage, mar, tamper with, interfere with, obstruct, or impede any wells and treatment facilities and systems. do not to engage in, or allow others to engage in, activities that will disrupt required remedial investigation. do not limit access to any equipment or systems associated with groundwater monitoring. do not limit access to any equipment or systems associated with groundwater monitoring and erosion control. do not disturb any landfill equipment and systems prohibit access to landfill do not conduct activities that would cause disturbance or removal of fencing or signs intended to exclude the public from the landfill. « see less

9 Active Sites

Sites where military cleanup actions are still ongoing. The risk level of a site refers to a relative risk assessment made by the DOD, which prioritizes the cleanup of sites that pose greatest threat to safety, human health, and the environment.

Site ID: WP036

BLDG #458 LEACH PIT

Waste Treatment Plant

Cost

$881K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jan 2017

This site is under ongoing monitoring until Sep 2020

Contaminated Areas

Groundwater: High Risk

Migration pathway for groundwater is leaching from soil to groundwater. OU2 RI Report, Apr 95, Table 3.18-45. Future onsite residents have been identified as being at risk, but not exceeding EPA established benchmarks, through dermal contact with groundwa California classifies all groundwater aquifers as Class IIB potential drinking water sources. This prompts the requirement to select potential RF

Contaminants: Tetrachloroethylene 5.4 ug/L Benzene 130.0 ug/L Ethyl benzene 200.0 ug/L Chlorobenzene 220.0 ug/L Toluene 340.0 ug/L 1,4-Dichlorobenzene 350.0 ug/L 1,2,4-Trimethylbenzene 440.0 ug/L Naphthalene 470.0 ug/L 1,2-Dichlorobenzene 1300.0 ug/L Xylene (Mixed) 2500.0 ug/L cis-1,2-Dichloroethylene 3800.0 ug/L 1,3,5-Trimethylbenzene 5000.0 ug/L Trichloroethylene (TCE) 6100.0 ug/L

Soil: Low Risk

Receptors identified are future site residents only, with nor reisks greater than EPA benchmarms. This indicates little potential for receptors to have access. OU2 RI Report, Apr 95, Table 3.18-45.

Contaminants: Indeno(1,2,3-cd)Pyrene 6.0e-08 mg/kg Chlordane 4.0e-06 mg/kg Benzo(k)Fluoranthene 5.1e-05 mg/kg Benzo(b)Fluoranthene 9.4e-05 mg/kg Benzo(a)Pyrene 9.5e-05 mg/kg Pyrene 0.0001 mg/kg Fluoranthene 0.00012 mg/kg DDT 0.000135 mg/kg Chrysene 0.00014 mg/kg DDD 0.00051 mg/kg DDE 0.00085 mg/kg

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Site ID: ST034

PRITCHARD ACFT FUELING SYS

Underground Storage Tanks

Cost

$71K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jun 2016

Contaminated Areas

Groundwater: Medium Risk

Groundwater contamination at the site is confirmed and migration within the groundwater has been verified through sampling down-gradient wells No current receptors have been identified and future use of groundwater from the site as drinking water is very unlikely.

Contaminants: Trichloroethylene (TCE) 170.0 ug/L Benzene 1200.0 ug/L

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Site ID: OT008

FLIGHTLINE SHOP ZONE

Spill Site Area

Cost

$2.11M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Apr 2016

This site is under ongoing monitoring until Sep 2099

Contaminated Areas

Groundwater: Medium Risk

Leaching of contaminants from soil to groundwater is a potential contaminant pathway. Three contaminated GW plumes (Sites 2, 27 and 36) are associated with this site. However, the field work for a Supplemental Remedial Investigation (SRI) was completed on No drinking water sources have been contaminated. However, all California aquifers are classified as potential drinking water sources dictating selection of Potential.

Contaminants: Carbon tetrachloride 90.0 ug/L Chloroform 111.0 ug/L Tetrachloroethylene 510.0 ug/L Trichloroethylene (TCE) 546.0 ug/L

Soil: Low Risk

na No current risk exceed EPA benchmark standards. However potential human risks are indicated from both soil and groundwater pathways. Due to the nature of the site, no ecological receptors have been identified. Reference OU-2 RI Report, Table 3.6.61 & 62

Contaminants: Chlordane 1.0e-08 mg/kg DDD 1.0e-08 mg/kg DDE 1.0e-08 mg/kg DDT 5.0e-08 mg/kg Methyl Chloride 3.7e-05 mg/kg Trichloroethylene (TCE) 0.0001 mg/kg Selenium 0.0006 mg/kg Silver and compounds 0.00267 mg/kg Molybdenum 0.00897 mg/kg 1,1-Dichloroethane 0.0105 mg/kg Tetrachloroethylene 0.0133 mg/kg Copper and compounds 0.0176 mg/kg 1,1,1-Trichloroethane 0.0291 mg/kg Vanadium 0.0497 mg/kg Zinc 0.0973 mg/kg Lead 0.256 mg/kg Manganese and compounds 0.462 mg/kg

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Site ID: ST033

PANERO AIRCRAFT FUELING SYS

Underground Storage Tanks

Cost

$1.59M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jul 1996

Contaminated Areas

Groundwater: High Risk

Free JP-4 product, estimated at 80,000 cu ft, is present on the water table; however the contaminated aquifer is within a basin which restricts migration. The pathway for groundwater contaminants of concern, primarily benzene and manganese would require i Free product is floating on the water table; The aquifer is not currently used as a drinking water source. Although contaminated, there is no current threatened water supply because the contaminated aquifer is within a basin which restricts migration. PO

Contaminants: Selenium 6.3 ug/L Lead 8.3 ug/L Chloroform 11.0 ug/L Silver and compounds 11.9 ug/L Copper and compounds 12.2 ug/L Nickel (soluble salts) 16.4 ug/L Tetrachloroethylene 23.0 ug/L Naphthalene 73.0 ug/L Trichloroethylene (TCE) 77.0 ug/L Zinc Cyanide 86.9 ug/L Methylene Chloride 1800.0 ug/L Acetone 5600.0 ug/L Xylene (Mixed) 7600.0 ug/L Benzene 12800.0 ug/L Toluene 15000.0 ug/L Manganese and compounds 21300.0 ug/L Iron 37400.0 ug/L Potassium Cyanide 100000.0 ug/L Sodium Cyanide 212000.0 ug/L Calcium Cyanide 668000.0 ug/L

Soil: Low Risk

The entire site is covered with either asphalt or concrete, severely limits pathways of exposure for ecological receptors . OU-3 RI REPORT, AUG 94, PARA 6.6. The physical condition of the site virtually eliminates all possible routes of exposure to ecolog

Contaminants: Cadmium and compounds 2.0e-06 mg/kg Arsenic 5.0e-06 mg/kg Silver Cyanide 6.0e-06 mg/kg Beryllium and compounds 7.0e-06 mg/kg Lead 9.0e-06 mg/kg Antimony and compounds 2.9e-05 mg/kg Vanadium 5.3e-05 mg/kg Phenol 6.2e-05 mg/kg Benzoic Acid 6.9e-05 mg/kg Copper and compounds 9.3e-05 mg/kg Nickel (soluble salts) 0.000109 mg/kg Barium 0.000202 mg/kg Di-n-Octyl Phthalate 0.00025 mg/kg Benzo(a)Pyrene 0.00036 mg/kg Zinc Cyanide 0.000394 mg/kg Benzo(k)Fluoranthene 0.00047 mg/kg Sodium Cyanide 0.000481 mg/kg Indeno(1,2,3-cd)Pyrene 0.000568 mg/kg Benzo(b)Fluoranthene 0.00059 mg/kg Manganese and compounds 0.000706 mg/kg Tetrachloroethylene 0.00075 mg/kg Trichloroethylene (TCE) 0.00075 mg/kg Chrysene 0.00093 mg/kg Pyrene 0.0018 mg/kg Chlorobenzene 0.0019 mg/kg Bis(2-Ethylhexyl)Phthalate 0.0024 mg/kg Fluoranthene 0.0025 mg/kg Fluorene 0.0064 mg/kg Potassium Cyanide 0.00841 mg/kg Chloroform 0.0089 mg/kg Aluminum 0.0175 mg/kg Iron 0.0302 mg/kg Naphthalene 0.11 mg/kg Benzene 0.17 mg/kg Toluene 0.96 mg/kg Xylene (Mixed) 1.1 mg/kg

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Site ID: FT007P

PFC - FIRE PROTECTION AREA

Fire/Crash Training Area

Cost

$3.71M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2021

Site ID: CG049

BASEWIDE GROUNDWATER OPERABLE UNIT (OU5)

Contaminated Ground Water

Cost

$23.5M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Nov 2016

This site is under ongoing monitoring until Sep 2048

Site ID: OT018

ENGINE TEST CELL

Above Ground Storage Tank

Cost

$2.21M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Mar 2006

This site is under ongoing monitoring until Sep 2030

Contaminated Areas

Groundwater: High Risk

Floating product in the groundwater at this site reflects the ability of the media to move away from the source. Migration pathways are ingestion of contaminants from drinking groundwater and dermal absorption and/or inhalation while showering. No soil as Receptors are future onsite residents, and future onsite industrial and construction workers. OU1 Final RI/FS, Jul 94, Table ES-6. Although no drinking water source has actually been contaminated by this site, California classifies all groundwater aquife

Contaminants: Trichloroethylene (TCE) 1.4 ug/L 2-Methylphenol (o-Cresol) 12.0 ug/L 4-Methylphenol (p-Cresol) 18.0 ug/L Silver and compounds 19.7 ug/L 2,4-Dimethylphenol 22.0 ug/L Naphthalene 150.0 ug/L Methylene Chloride 440.0 ug/L Benzoic Acid 660.0 ug/L o-Xylene 2000.0 ug/L m-Xylene 5800.0 ug/L Benzene 6600.0 ug/L Toluene 8200.0 ug/L

Soil: Low Risk

no pathway No soil associated receptors have been identified. OU1 Final RI/FS, Jul 94, Para ES.5

Contaminants: DDT 4.1e-06 mg/kg Chlordane 1.2e-05 mg/kg

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Site ID: FT007

FIRE PROTECTION AREA

Fire/Crash Training Area

Cost

$1.57M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Mar 2021

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Ether,tert-butyl methyl 0.09 ug/L 1,1,1-Trichloroethane 0.13 ug/L Benzene, methyl- 0.27 ug/L Dichlorodifluoromethane 0.31 ug/L 1,1-Dichloroethane 0.395 ug/L Chloromethane (methyl chloride) 0.42 ug/L Carbon Tetrachloride 0.495 ug/L 1,1-Dichloroethylene 0.59 ug/L n-Butylbenzene 0.74 ug/L sec-Butylbenzene 1.1 ug/L Bromoform 1.1 ug/L cis-1,2-Dichloroethylene 1.8 ug/L Cumene 2.2 ug/L Bromodichloromethane 2.5 ug/L 1-Phenylpropane 2.8 ug/L 1,3,5-Trimethylbenzene 2.9 ug/L Chloroform 2.9 ug/L Methylene Chloride 3.0 ug/L Naphthalene 3.3 ug/L Chlorodibromomethane 3.6 ug/L Benzene 3.6 ug/L Methyl Ethyl Ketone 4.0 ug/L Carbon Dichloride 4.3 ug/L 1,2-Dichloroethane (EDC) 5.2 ug/L Arsenic 5.83 ug/L o-Xylene 6.1 ug/L Ethyl benzene 7.3 ug/L Selenium 8.0 ug/L Molybdenum 8.3 ug/L 1,2,4-Trimethylbenzene 10.0 ug/L Vanadium 10.4666667 ug/L Benzyl Alcohol 15.0 ug/L Benzenedicarboxylate 16.0 ug/L Cobalt 18.95 ug/L Silver and compounds 19.0 ug/L Trichloroethylene (TCE) 19.0 ug/L Chromium 20.15 ug/L Zinc 23.8166667 ug/L Iron 25.3166667 ug/L Bis(2-Ethylhexyl)Phthalate 26.0 ug/L Antimony and compounds 31.8 ug/L Copper and compounds 39.3 ug/L Lead 40.0 ug/L Boron 46.9 ug/L 1,3-Dimethylbenzene 50.0 ug/L Nickel (Soluble Salts) 127.5 ug/L Fluoride 200.0 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 295.0 ug/L Barium 397.75 ug/L Cadmium and compounds 482.0 ug/L Manganese and compounds 488.6666667 ug/L Aluminum 951.0 ug/L

Soil: Risk Not Evaluated

Contaminants: cis-1,2-Dichloroethylene 0.0025 mg/kg 1,3,5-Trimethylbenzene 0.0027 mg/kg Carbon Dichloride 0.003 mg/kg Chloroform 0.003 mg/kg o-Xylene 0.0047 mg/kg DDE 0.0048 mg/kg Methylene Chloride 0.00645 mg/kg 1,2,4-Trimethylbenzene 0.0071 mg/kg 1,2-Dichloroethane (EDC) 0.0085 mg/kg DDT 0.014 mg/kg 1,1-Dichloroethane 0.015 mg/kg 1,1,2-Trichloroethane 0.018 mg/kg Acetone 0.033 mg/kg Beryllium and compounds 0.48 mg/kg Cadmium and compounds 0.85 mg/kg Selenium 1.3 mg/kg Dibutyl Phthalate 1.3 mg/kg Fluoride 1.5 mg/kg sec-Butylbenzene 1.6 mg/kg Benzene 1.6 mg/kg Molybdenum 2.2 mg/kg Cumene 2.2 mg/kg 2,4-Dimethylphenol 2.3 mg/kg 2-Methylnaphthalene 2.4666666667 mg/kg n-Butylbenzene 2.5 mg/kg Hexanone 3.1 mg/kg Benzene, methyl- 3.1 mg/kg 1-Phenylpropane 3.2 mg/kg Ethyl benzene 3.4 mg/kg 4-Cresol 3.9 mg/kg Naphthalene 4.1 mg/kg Nickel (Soluble Salts) 5.9 mg/kg Cobalt 5.9 mg/kg Silver and compounds 7.2 mg/kg Methyl Ethyl Ketone 11.0 mg/kg Chromium 12.9 mg/kg Arsenic 12.933333333 mg/kg Vanadium 26.2 mg/kg Copper and compounds 45.5 mg/kg Trichloroethylene (TCE) 72.0 mg/kg Bromobenzene 80.85 mg/kg Zinc 82.6 mg/kg Lead 85.3 mg/kg Barium 107.75 mg/kg Manganese and compounds 306.0 mg/kg Aluminum 8290.0 mg/kg Iron 13800.0 mg/kg

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Site ID: SS031

SOLV DISPOSAL SITE

Spill Site Area

Cost

$50K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Nov 1996

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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73 Inactive Sites

Sites where military cleanup actions are complete, according to the DOD. Note that this status does not necessarily mean the site is no longer hazardous, as many of these sites are put under long-term monitoring or other restrictions.

Site ID: SR400

FORMER SKEET RANGE

Small Arms Range

Cost

Unknown

Final Cleanup Action

Feb 1999

Site ID: ST039

ABANDONED GAS STATION-B2406

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Mar 1999

This site is under ongoing monitoring until May 2014

Contaminated Areas

Groundwater: Medium Risk

Identified migration paths for contaminants are from soil to groundwater, ingestion of groundwater (filtered/unfiltered), inhalation of vapors released from groundwater, dermal contact with groundwater. Future onsite residents who are at risk above EPA b California classifies all groundwater aquifers as Class IIB potential drinking water sources.

Contaminants: 1,2-Dichloroethane (EDC) 34.0 ug/L Antimony and compounds 45.5 ug/L Nickel (soluble salts) 791.0 ug/L Aluminum 1760.0 ug/L Manganese and compounds 2840.0 ug/L Iron 5350.0 ug/L

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Site ID: SS013

TANK TRK SPILL SITE

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Nov 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: CTU034

WM--09 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: CTU021

5039 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1994

Site ID: CTU032

WM-07 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: DP030

CONSTRUCTION RUBBLE BURIAL

Building Demolition/Debris Removal

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Soil: Risk Not Evaluated

Contaminants: Methyl Chloride 0.012 mg/kg Molybdenum 0.806 mg/kg Silver and compounds 3.17 mg/kg

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Site ID: LF020

LANDFILL #7

Landfill

Cost

Unknown

Final Cleanup Action

Jul 1996

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Dalapon 0.74 ug/L Selenium 2.79 ug/L Silver and compounds 3.5 ug/L Molybdenum 6.6 ug/L Lead 7.0 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 11.0 ug/L Vanadium 14.75 ug/L Copper and compounds 21.0 ug/L Zinc 28.5 ug/L Chromium 31.8 ug/L Nickel (Soluble Salts) 34.55 ug/L Barium 126.7 ug/L Manganese and compounds 280.0 ug/L Aluminum 2710.0 ug/L Iron 4410.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDE 0.0023 mg/kg Aldrin 0.003 mg/kg Methyl Ethyl Ketone 0.003 mg/kg Methylene Chloride 0.024 mg/kg Heptachlor 0.028 mg/kg Acetone 0.036 mg/kg Dieldrin 0.04175 mg/kg Anthracene 0.061 mg/kg Fluorene 0.07 mg/kg Benzo(def)Phenanthrene 0.11 mg/kg 8,9-Benzofluoranthene 0.13 mg/kg Dibenz[ah]anthracene 0.13 mg/kg 1,2-Benzacenaphthene 0.14 mg/kg DDT 0.15 mg/kg DDD 0.173 mg/kg 2,3-Benzofluoranthene 0.18 mg/kg Benz(a)Anthracene 0.2 mg/kg Indeno(1,2,3-cd)Pyrene 0.21 mg/kg Chrysene 0.23 mg/kg Benzo(a)Pyrene 0.26 mg/kg Propionic acid, 2-(2,4,5-Trichlorophenoxy) 0.3 mg/kg Bis(2-Ethylhexyl)Phthalate 0.33 mg/kg Naphthalene 0.37 mg/kg Aroclor 1254 0.55 mg/kg Molybdenum 0.684 mg/kg Arsenic 1.44 mg/kg 4-(2,4-Dichlorophenoxy)Butyric Acid (2,4-DB) 1.58 mg/kg Boron 3.21 mg/kg Cadmium and compounds 3.83 mg/kg Silver and compounds 5.56 mg/kg Cobalt 18.3 mg/kg Nickel (Soluble Salts) 18.4 mg/kg Lead 25.9 mg/kg Copper and compounds 27.5 mg/kg Chromium 32.4 mg/kg Vanadium 63.7 mg/kg Zinc 101.0 mg/kg Barium 380.0 mg/kg Manganese and compounds 533.0 mg/kg Aluminum 21800.0 mg/kg Iron 28900.0 mg/kg

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Site ID: OT040

LANDFILL #8

Landfill

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Sediment (Human): Risk Not Evaluated

Contaminants: Mercury (Inorganic) 0.294 mg/kg Lead 1.42 mg/kg Copper and compounds 13.3 mg/kg Chromium III 14.8 mg/kg Vanadium 43.1 mg/kg Zinc 108.0 mg/kg Manganese and compounds 241.0 mg/kg Barium 268.0 mg/kg

Soil: Risk Not Evaluated

Contaminants: DDT 0.0056 mg/kg DDE 0.014 mg/kg DDD 0.017 mg/kg Zinc 0.18 mg/kg Nickel (Soluble Salts) 12.2 mg/kg Chromium VI and compounds 38.4 mg/kg Copper and compounds 50.8 mg/kg Vanadium 59.3 mg/kg Barium 559.0 mg/kg Manganese and compounds 633.0 mg/kg

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Site ID: ST041

HAWES SITE

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Sep 2005

Site ID: CTU011

1311-1 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1994

Site ID: CTU012

1311-2 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1994

Site ID: CTU014

2606-2 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Mar 1996

Site ID: CTU015

2990 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1996

Site ID: CTU016

2991 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Mar 1996

Site ID: CTU017

3404 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Apr 1997

Site ID: CTU018

3407 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jul 1996

Site ID: CTU019

3414 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1994

Site ID: CTU020

3415 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1994

Site ID: CTU022

5040 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Mar 1996

Site ID: CTU023

5042 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Mar 1996

Site ID: CTU024

5044 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 1994

Site ID: CTU025

24242 GASOLINE UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Mar 1996

Site ID: CTU026

WM-01 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: CTU027

WM-02 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: LF005

SITE 3 LANDFILL NO 3 (AREA 5)

Landfill

Cost

$1.07M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: CTU028

WM-03 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: CTU029

WM-04 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: CTU031

WM-06 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: CTU033

WM-08 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: CTU036

52-1 (WM-11) DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1994

Site ID: CTU037

52-2 (WM-12) DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1994

Site ID: CTU038

941 WASTE OIL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1994

Site ID: CTU039

3409 FUEL OIL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1994

Site ID: CTU040

3411 GASOLINE/DIESEL

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Nov 1994

Site ID: FT015

FIRE TRAINING AREA #3

Fire/Crash Training Area

Cost

Unknown

Final Cleanup Action

Aug 1995

This site is under ongoing monitoring until Nov 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: LF003

LANDFILL #5

Landfill

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: HCH (beta) 0.004 ug/L Endrin 0.025 ug/L DDE 0.035 ug/L 2,4,5-T 0.13 ug/L Dicamba 0.15 ug/L Dinoseb 0.27 ug/L 2,4-Dichlorophenoxyacetic Acid (2,4-D) 0.35 ug/L Methoxychlor 0.39 ug/L 1-Phenylpropane 0.4 ug/L Chloroform 0.4 ug/L Bromodichloromethane 0.4 ug/L Benzene 0.5 ug/L 1,2-trans-dichloroethylene 0.6 ug/L Parathion 0.62 ug/L Methylene Chloride 0.7 ug/L Cumene 0.7 ug/L Propionic acid, 2-(2,4,5-Trichlorophenoxy) 0.74 ug/L 1,3,5-Trimethylbenzene 0.8 ug/L 4-(2,4-Dichlorophenoxy)Butyric Acid (2,4-DB) 0.81 ug/L Naled 0.84 ug/L o-Chlorotoluene 1.0 ug/L 1,3-Dinitrobenzene 1.0 ug/L Cyclonite 1.1 ug/L Nitramine 1.3 ug/L cis-1,2-Dichloroethylene 2.0 ug/L 1,3-Dichlorobenzene 2.0 ug/L Benzoic Acid 2.0 ug/L N-Nitrosodiphenylamine 2.0 ug/L Fluorene 2.0 ug/L 2-Methylnaphthalene 2.0 ug/L 1,2,4-Trimethylbenzene 2.0 ug/L 2-Chloro-4,6-Bis(Ethylamino)-s-Triazine 2.1 ug/L Arsenic 2.45 ug/L Dibutyl Phthalate 2.7 ug/L Benzene, p-dichloro- 3.0 ug/L Benzene, methyl- 3.0 ug/L 1,1,1-Trichloroethane 3.0 ug/L Lead 3.0 ug/L Methyl Ethyl Ketone 3.0 ug/L Acenaphthene 3.0 ug/L Dalapon 3.1 ug/L Atrazine 3.2 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 3.24 ug/L Silver and compounds 3.7 ug/L Cyanide (free) 4.3 ug/L Beryllium and compounds 4.4 ug/L Ethyl benzene 4.5 ug/L o-Xylene 4.5 ug/L Diethyl Phthalate 4.98 ug/L Cadmium and compounds 5.2 ug/L Bis(2-Ethylhexyl)Phthalate 5.7 ug/L Tetraethyldithiopyrophosphate 5.7 ug/L 1,3,5-Trinitrobenzene 6.7 ug/L HMX 7.9 ug/L Butyl Benzyl Phthalate 8.0 ug/L 2,4-Dimethylphenol 10.0 ug/L Cobalt 10.05 ug/L Selenium 11.4 ug/L Vanadium 11.9 ug/L Zinc 12.15 ug/L 4-Cresol 19.0 ug/L Benzene, chloro- 20.0 ug/L o-Nitrotoluene 21.0 ug/L Nickel (Soluble Salts) 23.7 ug/L Molybdenum 26.15 ug/L Acetone 41.5 ug/L Antimony and compounds 47.8 ug/L 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 86.0 ug/L Aluminum 105.65 ug/L 2-Methyl-4-Chlorophenoxyacetic Acid 150.0 ug/L Naphthalene 163.3333333 ug/L Barium 229.5 ug/L Chromium 293.0 ug/L Copper and compounds 408.0 ug/L Iron 2455.0 ug/L Manganese and compounds 11000.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Heptachlor 0.0003 mg/kg HCH (beta) 0.0004 mg/kg DDE 0.0008 mg/kg Benzene, methyl- 0.001 mg/kg Endrin 0.001 mg/kg Methylene Chloride 0.001 mg/kg Carbon Disulfide 0.001 mg/kg Aldrin 0.0015 mg/kg Ethyl benzene 0.002 mg/kg HCH (gamma) Lindane 0.002 mg/kg Aroclor 1254 0.0024 mg/kg 1,1-Dichloroethylene 0.003 mg/kg Hexanone 0.004 mg/kg Methyl Ethyl Ketone 0.005 mg/kg DDD 0.0053 mg/kg Anthracene 0.00635 mg/kg Acetone 0.009 mg/kg Dicamba 0.011 mg/kg Dieldrin 0.018 mg/kg Dibenz[ah]anthracene 0.019 mg/kg DDT 0.02 mg/kg 2-Methylnaphthalene 0.02 mg/kg Demeton 0.021 mg/kg Benzene 0.022 mg/kg Fluorene 0.02625 mg/kg 2,3-Benzofluoranthene 0.02715 mg/kg Benz(a)Anthracene 0.030185 mg/kg Chrysene 0.0346 mg/kg Tetraethyldithiopyrophosphate 0.039 mg/kg Parathion 0.039 mg/kg Benzene, 1,2,4-trichloro- 0.04 mg/kg N-Nitrosodi-n-propylamine 0.04 mg/kg Chlordane 0.042 mg/kg Benzo(a)Pyrene 0.0422 mg/kg Disulfoton 0.044 mg/kg Diethyl Phthalate 0.05 mg/kg 8,9-Benzofluoranthene 0.054 mg/kg Indeno(1,2,3-cd)Pyrene 0.0814333333 mg/kg Cyanide (free) 0.091 mg/kg Benzo(def)Phenanthrene 0.0935533333 mg/kg Naphthalene 0.10295 mg/kg 1,2-Benzacenaphthene 0.1039666667 mg/kg Dibutyl Phthalate 0.12 mg/kg Nitroguanidine 0.135 mg/kg 2,4-Dichlorophenoxyacetic Acid (2,4-D) 0.15 mg/kg Aroclor-1232 0.17 mg/kg Selenium 0.18 mg/kg Dinitotoluene 0.21 mg/kg 2,4,5-T 0.24 mg/kg 4-(2,4-Dichlorophenoxy)Butyric Acid (2,4-DB) 0.27 mg/kg 4-Cresol 0.42 mg/kg Beryllium and compounds 0.475 mg/kg Silver and compounds 0.82 mg/kg Cadmium and compounds 0.82 mg/kg Acenaphthene 0.83 mg/kg Butyl Benzyl Phthalate 0.86 mg/kg Molybdenum 1.055 mg/kg Arsenic 1.0666666667 mg/kg Bis(2-Ethylhexyl)Phthalate 1.63 mg/kg Dalapon 1.7666666667 mg/kg Dibenzofuran 3.045 mg/kg Benzoic Acid 3.16 mg/kg Lead 6.7 mg/kg Antimony and compounds 7.0 mg/kg Cobalt 10.833333333 mg/kg Nickel (Soluble Salts) 15.1 mg/kg Copper and compounds 33.8 mg/kg Chromium 34.8 mg/kg Vanadium 51.633333333 mg/kg 2-Methyl-4-Chlorophenoxyacetic Acid 57.0 mg/kg Zinc 95.4 mg/kg 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 122.5 mg/kg Barium 299.66666667 mg/kg Manganese and compounds 302.66666667 mg/kg Aluminum 17100.0 mg/kg Iron 23366.666667 mg/kg

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Site ID: LF024

LANDFILL #1

Landfill

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Endrin 0.01 ug/L Heptachlor Epoxide 0.024 ug/L Silver and compounds 3.0 ug/L Cadmium and compounds 4.0 ug/L Arsenic 4.15 ug/L Molybdenum 6.7 ug/L Lead 7.65 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 10.0 ug/L Bis(2-Ethylhexyl)Phthalate 11.0 ug/L Cobalt 13.7 ug/L Zinc 14.7666667 ug/L Copper and compounds 15.2 ug/L Vanadium 19.2 ug/L Antimony and compounds 35.5 ug/L Chromium 70.1 ug/L Barium 108.55 ug/L Nickel (Soluble Salts) 255.0 ug/L Manganese and compounds 300.3333333 ug/L Aluminum 1180.0 ug/L Iron 1446.6666667 ug/L

Soil: Risk Not Evaluated

Contaminants: Aldrin 0.0003 mg/kg HCH (alpha) 0.00055 mg/kg Benzene, methyl- 0.0013 mg/kg HCH (beta) 0.00135 mg/kg DDT 0.0022 mg/kg Methylene Chloride 0.0025 mg/kg Methyl Ethyl Ketone 0.003 mg/kg Dieldrin 0.0035 mg/kg DDE 0.01 mg/kg Anthracene 0.0165 mg/kg 2-Methylnaphthalene 0.02 mg/kg Diethyl Phthalate 0.0233333333 mg/kg Dibenz[ah]anthracene 0.029 mg/kg Acetone 0.032 mg/kg Acetophenone 0.04 mg/kg 2,3,4,6-Tetrachlorophenol 0.05 mg/kg 8,9-Benzofluoranthene 0.0545 mg/kg DDD 0.056 mg/kg Aroclor-1232 0.06 mg/kg Indeno(1,2,3-cd)Pyrene 0.0745 mg/kg N-Nitrosodiphenylamine 0.09 mg/kg Endrin 0.1 mg/kg Bis(2-Ethylhexyl)Phthalate 0.1033333333 mg/kg Benzo(a)Pyrene 0.12 mg/kg Selenium 0.12 mg/kg Dibutyl Phthalate 0.1233333333 mg/kg Dicamba 0.15 mg/kg Benz(a)Anthracene 0.16 mg/kg Chrysene 0.19 mg/kg Fluorene 0.2024 mg/kg 2,3-Benzofluoranthene 0.23 mg/kg Benzo(def)Phenanthrene 0.27 mg/kg 1,2-Benzacenaphthene 0.33 mg/kg Pentachlorophenol 0.42 mg/kg Beryllium and compounds 0.52 mg/kg Cyanide (free) 0.555 mg/kg Naphthalene 0.7 mg/kg Acenaphthene 1.0 mg/kg Benzoic Acid 1.32 mg/kg Silver and compounds 2.32 mg/kg Dalapon 3.1 mg/kg Molybdenum 5.8 mg/kg Arsenic 14.2 mg/kg Cobalt 20.4 mg/kg Cadmium and compounds 26.6 mg/kg Antimony and compounds 26.7 mg/kg Boron 52.8 mg/kg Chromium 68.6 mg/kg Vanadium 90.7 mg/kg Nickel (Soluble Salts) 132.0 mg/kg 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 140.0 mg/kg 2-Methyl-4-Chlorophenoxyacetic Acid 220.0 mg/kg Manganese and compounds 824.0 mg/kg Barium 838.0 mg/kg Zinc 1200.0 mg/kg Copper and compounds 1260.0 mg/kg Lead 7260.0 mg/kg Aluminum 34600.0 mg/kg Iron 71300.0 mg/kg

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Site ID: OT037

PCB CONTAMINATION BLDG 317

Storage Area

Cost

Unknown

Final Cleanup Action

Oct 1997

Contaminated Areas

Soil: Low Risk

No current receptors were identified. Future onsite industrial or construction workers and residents will be at risk above EPA benchmarks from dermal contact and/or incidental ingestion of surface and near-surface soils. OU2 RI Report, Apr 95, Table 3.19-

Contaminants: Polychlorinated Biphenyls 0.0028 mg/kg

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Site ID: OT038

PCB CONTAMINATION BLDG. #1305

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jul 1996

Site ID: OT042

PCB CONTAMINATION BLDG 3404

Contaminated Buildings

Cost

Unknown

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Apr 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Dieldrin 0.07 ug/L Trichloroethylene (TCE) 4.0 ug/L Fluorene 4.0 ug/L Benzenedicarboxylate 4.4 ug/L Chromium 6.0 ug/L Molybdenum 6.2 ug/L Cadmium and compounds 7.55 ug/L Selenium 8.0 ug/L 2-Methylnaphthalene 8.6 ug/L Naphthalene 10.0 ug/L Cobalt 11.7 ug/L Copper and compounds 12.7 ug/L Vanadium 12.8 ug/L Zinc 24.8 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 25.0 ug/L Bis(2-Ethylhexyl)Phthalate 31.0 ug/L Barium 216.0 ug/L Aluminum 366.0 ug/L Iron 491.0 ug/L Manganese and compounds 3040.0 ug/L

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Site ID: FT029

FIRE TRAINING AREA #1

Fire/Crash Training Area

Cost

$18K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Dec 2015

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: PL011

SITE 11 PIPE BREAK

POL (Petroleum/Oil/Lubricants) Lines

Cost

Unknown

Final Cleanup Action

May 2014

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: SD009

MAIN OIL/WTR SEP

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Nov 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: SD010

FLTLINE DRNG CHANNEL

Surface Disposal Area

Cost

Unknown

Final Cleanup Action

Aug 1995

This site is under ongoing monitoring until Nov 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: SR401

FORMER SKEET RANGE

Small Arms Range

Cost

Unknown

Final Cleanup Action

Feb 1999

Site ID: SR402

FORMER SKEET RANGE

Small Arms Range

Cost

Unknown

Final Cleanup Action

Feb 1999

Site ID: SS012

CE STORAGE YARD

Storage Area

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Dichloride 0.13 ug/L Chloroform 0.13 ug/L Carbon Tetrachloride 0.17 ug/L Trichloroethylene (TCE) 0.28 ug/L Dinoseb 0.35 ug/L Benzene 2.0 ug/L Methylene Chloride 2.0 ug/L Selenium 3.05 ug/L Arsenic 3.18 ug/L Benzene, methyl- 5.0 ug/L Carbon Disulfide 5.0 ug/L Vanadium 8.5 ug/L Molybdenum 9.7 ug/L Cobalt 11.2 ug/L Copper and compounds 21.4 ug/L Chromium 22.8 ug/L Zinc 30.5 ug/L Antimony and compounds 42.1 ug/L Manganese and compounds 51.0 ug/L Boron 53.3 ug/L Acetone 54.0 ug/L Nickel (Soluble Salts) 98.15 ug/L Iron 156.1333333 ug/L Barium 200.0 ug/L Fluoride 400.0 ug/L Dalapon 530.0 ug/L Aluminum 4050.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0018 mg/kg Heptachlor Epoxide 0.004 mg/kg DDE 0.004 mg/kg Methyl Ethyl Ketone 0.0067 mg/kg DDT 0.012 mg/kg Acetone 0.02 mg/kg DDD 0.027 mg/kg Benzo(def)Phenanthrene 0.05 mg/kg 1,2-Benzacenaphthene 0.05 mg/kg Chlorpyrifos 0.088 mg/kg EPTC (S-Ethyl dipropylthiocarbamate) 0.12 mg/kg 8,9-Benzofluoranthene 0.14 mg/kg 2,3-Benzofluoranthene 0.16 mg/kg Dichlorvos 0.16 mg/kg Benzoic Acid 0.2 mg/kg Bis(2-Ethylhexyl)Phthalate 0.31 mg/kg Benzo(a)Pyrene 0.32 mg/kg Benz(a)Anthracene 0.33 mg/kg Naphthalene 0.54 mg/kg 2-Methylnaphthalene 0.56 mg/kg Carboxin 0.58 mg/kg Chrysene 0.6 mg/kg Molybdenum 0.97 mg/kg Dibenzofuran 1.0 mg/kg Fluorene 1.2 mg/kg Acenaphthene 1.3 mg/kg Anthracene 2.3 mg/kg Cadmium and compounds 2.66 mg/kg Indeno(1,2,3-cd)Pyrene 2.8 mg/kg 2-Methyl-4-Chlorophenoxyacetic Acid 4.3 mg/kg Acetamide,2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)-(9Cl) 4.9 mg/kg Boron 5.25 mg/kg Cobalt 9.7 mg/kg Chromium 12.0 mg/kg Copper and compounds 12.9 mg/kg Vanadium 33.6 mg/kg Lead 36.0 mg/kg Zinc 175.0 mg/kg Barium 274.0 mg/kg Manganese and compounds 400.0 mg/kg Aluminum 11500.0 mg/kg Iron 17800.0 mg/kg

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Site ID: SS014

LIQ FUEL P-STN O/FLW

Spill Site Area

Cost

Unknown

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Nov 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: SS044

MERCURY SPILL NEAR WATER TOWER, BLDG 407

Spill Site Area

Cost

Unknown

Final Cleanup Action

Apr 1997

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: SS046

BUILDING 2990/2901 MERCURY

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2005

Site ID: SS047

FACILITY 6601 WATER TANK

Spill Site Area

Cost

Unknown

Final Cleanup Action

Sep 2005

Site ID: ST027

UNDERGROUND POL TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jul 2005

This site is under ongoing monitoring until Nov 2013

Contaminated Areas

Groundwater: High Risk

The Site 27 contaminated groundwater plume has combined with the Site 2 plume, indicating movement of contaminants from the source. OU-2 RI, APR 95, PAGE 3.15-58. AND PARA 3.16.6.1 Future onsite residents are at risk greater than EPA benchmarks, Table 3.15-28. California classifies all groundwater aquifers as Class IIb potential drinking water sources.

Contaminants: Zinc 60.2 ug/L Benzene 320.0 ug/L Barium 865.0 ug/L Arsenic 5670.0 ug/L Manganese and compounds 10600.0 ug/L

Soil: Low Risk

n/a No human or ecological receptors associated with soils have been identified. OU2 RI, APR 95, TABLE 3.15-28

Contaminants: Toluene 2.0e-06 mg/kg Acetone 2.7e-05 mg/kg

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Site ID: ST035

LEAKING UNDERGROUND STORAGE TANKSS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Endrin 0.016 ug/L DDE 0.046 ug/L Selenium 2.45 ug/L 1,1,1-Trichloroethane 3.0 ug/L Methylene Chloride 3.0 ug/L Arsenic 3.09 ug/L Chloromethane (methyl chloride) 5.0 ug/L Molybdenum 6.2 ug/L Silver and compounds 6.8 ug/L Chromium 8.3 ug/L Cadmium and compounds 8.5 ug/L Bis(2-Ethylhexyl)Phthalate 8.6 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 11.0 ug/L Cobalt 12.4 ug/L Copper and compounds 18.4 ug/L Iron 22.3 ug/L Zinc 31.7 ug/L Benzenedicarboxylate 37.0 ug/L Vanadium 40.6 ug/L Antimony and compounds 46.2 ug/L Manganese and compounds 73.6 ug/L Barium 144.0 ug/L Fluoride 281.0 ug/L Nickel (Soluble Salts) 567.0 ug/L Aluminum 2920.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzene 0.0006 mg/kg Acetone 0.027 mg/kg o-Xylene 0.12255 mg/kg

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Site ID: ST043

LUB/MAINTENANCE AREA

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Aug 2003

Site ID: ST048

BUILDING 550 GAS STATION

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Apr 2000

Site ID: TU317

BUILDING 317 UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Jun 2011

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: WP002

SITE 02 WST OIL PIT/SWRT TNKS

Waste Treatment Plant

Cost

Unknown

Final Cleanup Action

Jun 2002

This site is under ongoing monitoring until Nov 2013

Contaminated Areas

Groundwater: High Risk

Significant contamination is indicated and evidence of movement is apparent considering the merging of Sites 2, 27 & 8 contaminated groundwater plumes Although no water supply is threatened, California classifies all groundwater aquifers as potential drinking water sources (Class IIB aquifer)

Contaminants: Tetrachloroethylene 2.0 ug/L Chloroform 8.8 ug/L 1,3,5-Trimethylbenzene 54.0 ug/L Naphthalene 84.0 ug/L 1,2-Dichloroethane (EDC) 130.0 ug/L Trichloroethylene (TCE) 160.0 ug/L 1,2,4-Trimethylbenzene 160.0 ug/L 1,2-Dibromoethane 460.0 ug/L Xylene (Mixed) 2300.0 ug/L Toluene 7000.0 ug/L Benzene 25000.0 ug/L

Soil: Medium Risk

na Future onsite residents are the only receptor identified. No current risks are indicated, however, future risks to onsite residents are indicated due to ingestion of soil containing lead by small children. OU2 RI Report, Apr 95, Table 3.3-57

Contaminants: Acetone 2.0e-05 mg/kg Arsenic 0.00204 mg/kg Vanadium 0.0413 mg/kg Lead 0.0461 mg/kg Zinc 0.0764 mg/kg Manganese and compounds 0.411 mg/kg

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Site ID: WP016

E MARCH SLDG DRY BDS

Waste Treatment Plant

Cost

Unknown

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Nov 2013

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: WP021

COUDURES EFFLUENT POND

Sewage Effluent Settling Ponds

Cost

Unknown

Final Cleanup Action

Sep 2005

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: o-Xylene 1.1 ug/L Benzene, methyl- 2.2 ug/L Lead 7.55 ug/L Benzenol 10.0 ug/L Arsenic 10.35 ug/L Cobalt 14.5 ug/L Molybdenum 30.25 ug/L Vanadium 45.0 ug/L Copper and compounds 78.5 ug/L Nickel (Soluble Salts) 135.0 ug/L Chromium 152.75 ug/L Barium 168.5 ug/L Manganese and compounds 292.75 ug/L Zinc 500.0 ug/L Aluminum 22600.0 ug/L Iron 36400.0 ug/L

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Site ID: SS001

AIRCRAFT ISOL AREA

Spill Site Area

Cost

$18K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 1997

This site is under ongoing monitoring until Oct 2015

Contaminated Areas

Groundwater: Risk Not Evaluated

Sediment (Ecological): Risk Not Evaluated

Sediment (Human): Risk Not Evaluated

Soil: Risk Not Evaluated

Surface Water: Risk Not Evaluated

Surface Water (Ecological): Risk Not Evaluated

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Site ID: SS011

BULK FUELS STOR AREA

Spill Site Area

Cost

$877K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Oct 1997

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Low Risk

No complete migration pathways associated with groundwater were identified in the OU2 RI Report dated Apr 95, Para 3.7.6.3 Although no chemicals of potential concern were identified in the OU RI Report, California classifies all groundwater aquifers as Class IIB.

Contaminants: Toluene 6.0 ug/L Carbon Disulfide 13.0 ug/L Dimethyl Phthalate 24.0 ug/L

Soil: Low Risk

All surface soil samples (0 to 2 ft) are well below PRG benchmarks. Receptors are future onsite residents and workers

Contaminants: Benzo(a)Pyrene 0.00014 mg/kg Copper and compounds 0.0156 mg/kg Vanadium 0.05 mg/kg Zinc 0.077 mg/kg Barium 0.392 mg/kg

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Site ID: WP025

MUNITIONS RESIDUE BURIAL

Explosive Ordnance Disposal Area

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 2,4,5-T 0.075 ug/L Propionic acid, 2-(2,4,5-Trichlorophenoxy) 0.2 ug/L 2,4-Dichlorophenoxyacetic Acid (2,4-D) 0.24 ug/L Benzene, methyl- 0.3 ug/L Benzene 0.3 ug/L Dicamba 0.39 ug/L Dalapon 0.45 ug/L 1,3,5-Trinitrobenzene 0.46 ug/L o-Nitrotoluene 0.85 ug/L Selenium 1.1 ug/L 4-(2,4-Dichlorophenoxy)Butyric Acid (2,4-DB) 1.1 ug/L Cadmium and compounds 2.4 ug/L Silver and compounds 3.0 ug/L Diethyl Phthalate 3.0 ug/L Lead 6.15 ug/L Molybdenum 6.5 ug/L Arsenic 6.59 ug/L 1,1,1-Trichloroethane 7.0 ug/L Bis(2-Ethylhexyl)Phthalate 12.0 ug/L Zinc 14.6 ug/L Cobalt 25.6 ug/L Vanadium 57.5 ug/L Copper and compounds 63.8 ug/L Barium 118.0 ug/L Iron 140.0 ug/L Manganese and compounds 343.0 ug/L Nickel (Soluble Salts) 500.0 ug/L Chromium 654.0 ug/L 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 1500.0 ug/L Aluminum 2750.0 ug/L

Soil: Risk Not Evaluated

Contaminants: DDD 0.0001 mg/kg DDE 0.0001 mg/kg HCH (beta) 0.00015 mg/kg DDT 0.0003 mg/kg Dibenz[ah]anthracene 0.00068 mg/kg Benzene, chloro- 0.001 mg/kg Benzene, methyl- 0.002 mg/kg Methylene Chloride 0.002 mg/kg 8,9-Benzofluoranthene 0.0026 mg/kg Anthracene 0.0027 mg/kg 2,3-Benzofluoranthene 0.0029 mg/kg Benzo(a)Pyrene 0.0037 mg/kg Benz(a)Anthracene 0.0038 mg/kg Indeno(1,2,3-cd)Pyrene 0.0045 mg/kg Chrysene 0.0073 mg/kg Benzo(def)Phenanthrene 0.0094 mg/kg Fluorene 0.0096 mg/kg 1,2-Benzacenaphthene 0.015 mg/kg Acenaphthene 0.022 mg/kg Benzene, 1,2,4-trichloro- 0.03 mg/kg Dibutyl Phthalate 0.035 mg/kg Naphthalene 0.052 mg/kg Nitroguanidine 0.0623 mg/kg Selenium 0.08 mg/kg 2,4,5-T 0.17 mg/kg Cyanide (free) 0.22 mg/kg Beryllium and compounds 0.34 mg/kg Silver and compounds 0.99 mg/kg Arsenic 1.1 mg/kg Dalapon 1.425 mg/kg 4-(2,4-Dichlorophenoxy)Butyric Acid (2,4-DB) 2.2 mg/kg Antimony and compounds 5.9 mg/kg Molybdenum 8.7 mg/kg Nickel (Soluble Salts) 10.3 mg/kg Lead 12.5 mg/kg Cobalt 15.5 mg/kg Copper and compounds 16.7 mg/kg Chromium 28.7 mg/kg Vanadium 59.4 mg/kg 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 80.5 mg/kg Zinc 87.6 mg/kg Barium 280.0 mg/kg Manganese and compounds 445.0 mg/kg Aluminum 22000.0 mg/kg Iron 27500.0 mg/kg

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Site ID: CTU013

2606-1 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Mar 1996

Site ID: WP026

WATER TREATMENT PLANT SLUDGE

Waste Lines

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Bromodichloromethane 2.0 ug/L Chlorodibromomethane 3.0 ug/L Selenium 3.41 ug/L Cadmium and compounds 4.1 ug/L Molybdenum 6.6 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 7.6 ug/L Chromium 19.0 ug/L Zinc 19.1 ug/L Copper and compounds 20.0 ug/L Antimony and compounds 26.2 ug/L Benzenedicarboxylate 32.0 ug/L Nickel (Soluble Salts) 32.8 ug/L Manganese and compounds 41.2 ug/L Vanadium 54.85 ug/L Arsenic 234.0 ug/L Lead 274.0 ug/L Bis(2-Ethylhexyl)Phthalate 820.0 ug/L Barium 839.0 ug/L Aluminum 902.0 ug/L Iron 1060.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Methylene Chloride 0.0034 mg/kg Acetone 0.0065 mg/kg DDT 0.007 mg/kg DDE 0.007 mg/kg 4-(2,4-Dichlorophenoxy)Butyric Acid (2,4-DB) 0.65 mg/kg Selenium 1.9 mg/kg Molybdenum 2.46 mg/kg Arsenic 2.98 mg/kg Cobalt 14.6 mg/kg Chromium 16.1 mg/kg Lead 16.6 mg/kg Boron 18.8 mg/kg Vanadium 52.4 mg/kg Zinc 52.5 mg/kg Copper and compounds 107.0 mg/kg Barium 308.0 mg/kg Manganese and compounds 380.0 mg/kg Aluminum 16100.0 mg/kg Iron 21900.0 mg/kg

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Site ID: LF004

LANDFILL #6

Landfill

Cost

$9.8M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Jul 1996

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 0.15 ug/L 1,1-Dichloroethane 0.211 ug/L o-Xylene 0.23 ug/L Carbon Tetrachloride 0.24 ug/L Naphthalene 0.26 ug/L 1,2-trans-dichloroethylene 0.28 ug/L Vinyl Chloride 0.37 ug/L Ether,tert-butyl methyl 0.39 ug/L Benzene, methyl- 0.5 ug/L Benzene, chloro- 0.52 ug/L Methylene Chloride 0.64 ug/L Chloroform 0.98 ug/L Benzene, p-dichloro- 1.3 ug/L Aroclor 1254 1.8 ug/L Benzene 1.9 ug/L Selenium 2.56 ug/L Benzenol 3.0 ug/L 1,1,1-Trichloroethane 3.0 ug/L Arsenic 3.95 ug/L Methyl Ethyl Ketone 4.0 ug/L Cadmium and compounds 4.1 ug/L Dichlorodifluoromethane 4.9 ug/L Silver and compounds 5.0 ug/L Carbon Disulfide 5.0 ug/L Trichloroethylene (TCE) 5.0 ug/L 2,4-DCP 5.1 ug/L Ethyl benzene 7.0 ug/L Trichlorofluoromethane 7.7 ug/L Molybdenum 7.8 ug/L 1,1-Dichloroethylene 8.3 ug/L Dichloropropane 9.3 ug/L Chloromethane (methyl chloride) 9.4 ug/L Chloroethane 9.5 ug/L Vinyl 2-Chloroethyl Ether 9.7 ug/L Bromomethane 9.8 ug/L Bromodichloromethane 9.8 ug/L Lead 10.9 ug/L 1,3-Dichlorobenzene 11.0 ug/L Bromoform 11.0 ug/L Pentachlorophenol 11.0 ug/L cis-1,2-Dichloroethylene 14.0 ug/L Vanadium 14.6 ug/L Diethyl Phthalate 16.0 ug/L 1,1,2,2-Tetrachloroethane 19.0 ug/L Cobalt 20.4 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 22.0 ug/L 1,2-Dichlorobenzene 22.0 ug/L Chromium 23.2 ug/L Manganese and compounds 25.7666667 ug/L Copper and compounds 25.9 ug/L Benzenedicarboxylate 30.0 ug/L Chlorodibromomethane 31.0 ug/L 1,1,2-Trichloroethane 31.0 ug/L Bis(2-Ethylhexyl)Phthalate 33.0 ug/L 2,4-Dinitrophenol 35.0 ug/L 4,6-Dinitro-2-methylphenol 35.0 ug/L Zinc 39.9333333 ug/L Antimony and compounds 45.2 ug/L Carbon Dichloride 45.5 ug/L Barium 105.4 ug/L Phosphorus (white) 109.0 ug/L Cyanide (free) 190.0 ug/L 4-Bromophenyl Phenyl Ether 220.0 ug/L Boron 241.5 ug/L Iron 264.0 ug/L Fluoride 400.0 ug/L Nickel (Soluble Salts) 504.5 ug/L Aluminum 530.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Carbon Dichloride 0.006 mg/kg 1,2-Dichloroethene 0.0062 mg/kg Methylene Chloride 0.00755 mg/kg Carbon Disulfide 0.011 mg/kg o-Xylene 0.012 mg/kg Benzene, methyl- 0.013 mg/kg Hexanone 0.0675 mg/kg Aroclor 1254 0.11 mg/kg Aroclor-1232 0.13 mg/kg Acetone 0.139 mg/kg Ethyl benzene 0.16 mg/kg DDE 0.18 mg/kg Methyl Ethyl Ketone 0.1956666667 mg/kg Aroclor-1242 0.24 mg/kg DDT 0.32 mg/kg Benz(a)Anthracene 0.35 mg/kg 2,3-Benzofluoranthene 0.37 mg/kg Beryllium and compounds 0.3966666667 mg/kg Chrysene 0.4 mg/kg Benzene, p-dichloro- 0.41 mg/kg Indeno(1,2,3-cd)Pyrene 0.41 mg/kg Benzo(a)Pyrene 0.42 mg/kg Bis(2-Ethylhexyl)Phthalate 0.58 mg/kg 4-Cresol 0.6 mg/kg Benzenol 0.6 mg/kg Benzo(def)Phenanthrene 0.71 mg/kg Cadmium and compounds 0.75 mg/kg Benzenedicarboxylate 0.84 mg/kg 1,2-Benzacenaphthene 1.0 mg/kg Silver and compounds 1.3 mg/kg 2-Methylnaphthalene 1.5 mg/kg Dibutyl Phthalate 1.55 mg/kg Diethyl Phthalate 2.2 mg/kg Dibenz[ah]anthracene 4.2 mg/kg Cobalt 5.275 mg/kg DDD 6.0 mg/kg Nickel (Soluble Salts) 6.0 mg/kg Lead 7.2 mg/kg Copper and compounds 7.35 mg/kg Chromium 10.15 mg/kg Arsenic 11.7 mg/kg Vanadium 32.7 mg/kg Zinc 36.0 mg/kg Barium 77.85 mg/kg Manganese and compounds 256.25 mg/kg Aluminum 8302.5 mg/kg Iron 13150.0 mg/kg

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Site ID: LF006

LANDFILL #4

Landfill

Cost

$8.28M

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Aug 2004

This site is under ongoing monitoring until Sep 2045

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 2,4,5-T 0.053 ug/L Ethyl benzene 0.15 ug/L 1,2-trans-dichloroethylene 0.15 ug/L o-Xylene 0.18 ug/L Benzene 0.22 ug/L Vinyl Chloride 0.25 ug/L 1,1-Dichloroethane 0.25 ug/L Ether,tert-butyl methyl 0.33 ug/L Methylene Chloride 0.37 ug/L Chloroform 0.43 ug/L Bromoform 0.5 ug/L Benzene, methyl- 0.78 ug/L Cumene 1.0 ug/L Benzene, chloro- 1.2 ug/L Dalapon 1.2 ug/L Selenium 1.2 ug/L Chlorodibromomethane 3.0 ug/L 1,1,1-Trichloroethane 3.0 ug/L Bromodichloromethane 3.0 ug/L Arsenic 3.38 ug/L Lead 3.9 ug/L Methyl Ethyl Ketone 4.0 ug/L Silver and compounds 4.5 ug/L Cadmium and compounds 5.0 ug/L Bis(2-Ethylhexyl)Phthalate 7.6 ug/L Chromium 8.1 ug/L Acetone 11.0 ug/L Cobalt 11.1 ug/L Molybdenum 11.65 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 13.0 ug/L cis-1,2-Dichloroethylene 15.0 ug/L Copper and compounds 17.4 ug/L 2,4-Dimethylphenol 18.0 ug/L Cyanide (free) 20.0 ug/L Zinc 24.1 ug/L Iron 24.7 ug/L Trichloroethylene (TCE) 30.0 ug/L Carbon Dichloride 37.0 ug/L Antimony and compounds 42.0 ug/L Nickel (Soluble Salts) 60.1 ug/L Vanadium 92.1 ug/L Aluminum 96.7 ug/L Barium 404.0 ug/L Manganese and compounds 444.0 ug/L

Soil: Risk Not Evaluated

Contaminants: HCH (beta) 0.00015 mg/kg Heptachlor Epoxide 0.0002 mg/kg Endrin 0.0002 mg/kg Benzo(def)Phenanthrene 0.000205 mg/kg Dieldrin 0.0003 mg/kg Benzo(a)Pyrene 0.000305 mg/kg HCH (alpha) 0.00047 mg/kg Chrysene 0.00053 mg/kg Ethenylbenzene 0.0006 mg/kg Aldrin 0.0006 mg/kg 1,2-Benzacenaphthene 0.000655 mg/kg Methylene Chloride 0.001 mg/kg 1,1-Dichloroethylene 0.001 mg/kg Trichloroethylene (TCE) 0.001 mg/kg Benzene, methyl- 0.002 mg/kg Benzene, chloro- 0.002 mg/kg Benzene 0.002 mg/kg Carbon Disulfide 0.002 mg/kg Heptachlor 0.0027 mg/kg HCH (gamma) Lindane 0.0047 mg/kg Fluorene 0.0051 mg/kg DDE 0.011 mg/kg Anthracene 0.019 mg/kg Dibutyl Phthalate 0.02 mg/kg Naphthalene 0.024 mg/kg Chlorpyrifos 0.031 mg/kg DDT 0.034 mg/kg O,O-Diethyl Mercaptosuccinate 0.039 mg/kg Aroclor 1016 0.042 mg/kg Methyl Ethyl Ketone 0.044 mg/kg Phorate 0.059 mg/kg 4-Cresol 0.06 mg/kg DDD 0.06 mg/kg Dibenz[ah]anthracene 0.07 mg/kg 2-Methylnaphthalene 0.09 mg/kg Demeton 0.091 mg/kg Benz(a)Anthracene 0.097 mg/kg 8,9-Benzofluoranthene 0.11 mg/kg Dibenzofuran 0.12 mg/kg Selenium 0.13 mg/kg 2,3-Benzofluoranthene 0.13 mg/kg Ethyl p-Nitrophenyl Phenylphosphorothioate 0.17 mg/kg Indeno(1,2,3-cd)Pyrene 0.18 mg/kg 2,4,5-T 0.2 mg/kg Acetone 0.23 mg/kg Chlordane 0.24 mg/kg Beryllium and compounds 0.2575 mg/kg Benzoic Acid 0.66 mg/kg Benzene, p-dichloro- 0.85 mg/kg Acetophenone 0.91 mg/kg Bis(2-Ethylhexyl)Phthalate 1.09 mg/kg Acenaphthene 1.3 mg/kg Cyanide (free) 1.4 mg/kg Benzenedicarboxylate 2.23 mg/kg Dalapon 2.3 mg/kg Cadmium and compounds 4.9 mg/kg Butyl Benzyl Phthalate 5.46 mg/kg Silver and compounds 7.2 mg/kg Cobalt 9.775 mg/kg Arsenic 12.1 mg/kg Antimony and compounds 27.7 mg/kg Nickel (Soluble Salts) 33.8 mg/kg Chromium 55.5 mg/kg 2-Methyl-4-Chlorophenoxyacetic Acid 63.0 mg/kg Vanadium 104.0 mg/kg 2-(2-Methyl-4-Chlorophenoxy)Propionic Acid 180.0 mg/kg Copper and compounds 358.0 mg/kg Barium 655.0 mg/kg Zinc 927.0 mg/kg Manganese and compounds 1230.0 mg/kg Lead 3180.0 mg/kg Aluminum 25500.0 mg/kg Iron 94000.0 mg/kg

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Site ID: OT045

SITE L, BUILDING 2706 SWIMMING POOL

Surface Disposal Area

Cost

$51K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

Sep 2005

This site is under ongoing monitoring until Mar 2016

Site ID: WP019

WEST MARCH SLUDGE DRYING BEDS

Waste Treatment Plant

Cost

$98K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

May 2004

This site is under ongoing monitoring until Oct 2016

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: 1,2-Dichloroethane (EDC) 2.0 ug/L Ethenylbenzene 3.0 ug/L 1,1,1-Trichloroethane 3.0 ug/L Bis(2-Ethylhexyl)Phthalate 5.0 ug/L Arsenic 6.65 ug/L Acetone 13.0 ug/L Cobalt 20.6 ug/L Copper and compounds 23.0 ug/L Vanadium 30.7 ug/L Chromium 39.8 ug/L Iron 60.0 ug/L Nickel (Soluble Salts) 71.4 ug/L Zinc 79.3 ug/L Manganese and compounds 152.5 ug/L Barium 185.0 ug/L Aluminum 19150.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Benzene, methyl- 0.002 mg/kg Methylene Chloride 0.031 mg/kg Molybdenum 0.9603333333 mg/kg Cadmium and compounds 2.0 mg/kg Silver and compounds 2.29 mg/kg Lead 2.3866666667 mg/kg Arsenic 8.55 mg/kg Nickel (Soluble Salts) 16.0 mg/kg Copper and compounds 21.5 mg/kg Zinc 66.0 mg/kg Chromium 93.0 mg/kg Barium 318.0 mg/kg

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Site ID: SP017

SWIMMING POOL FILL

Contaminated Fill

Cost

$51K

Cost in 2015 plus expected future cost of cleanup

Final Cleanup Action

May 2004

This site is under ongoing monitoring until Mar 2016

Site ID: WP023

EAST MARCH EFFLUENT POND

Surface Impoundment/Lagoon

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Chloroform 0.32 ug/L Carbon Tetrachloride 0.345 ug/L Ethyl benzene 0.85 ug/L o-Xylene 1.3 ug/L Selenium 2.5 ug/L Ether,tert-butyl methyl 2.6 ug/L Trichloroethylene (TCE) 3.3 ug/L Benzene, methyl- 4.0 ug/L Benzene 4.4 ug/L Bromoform 5.2 ug/L Bromodichloromethane 6.4 ug/L Arsenic 7.16 ug/L Bis(2-Ethylhexyl)Phthalate 8.1 ug/L Carbon Disulfide 9.0 ug/L Carbon Dichloride 11.0 ug/L Cobalt 11.0 ug/L Chlorodibromomethane 12.0 ug/L Lead 12.0 ug/L Zinc 12.9666667 ug/L Manganese and compounds 14.6333333 ug/L Vanadium 14.85 ug/L 1,2-Benzenedicarboxylic Acid, Dimethyl Ester 15.0 ug/L Molybdenum 18.15 ug/L Copper and compounds 20.9 ug/L Antimony and compounds 33.8 ug/L Chromium 36.65 ug/L Iron 117.9 ug/L Nickel (Soluble Salts) 126.0 ug/L Barium 142.75 ug/L Aluminum 168.0 ug/L Boron 196.0 ug/L Fluoride 400.0 ug/L

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Site ID: CTU030

WM-05 DIESEL UNDERGROUND STORAGE TANKS

Underground Storage Tanks

Cost

Unknown

Final Cleanup Action

Dec 1990

Site ID: LF022

LANDFILL #2

Landfill

Cost

Unknown

Final Cleanup Action

May 2004

Contaminated Areas

Groundwater: Risk Not Evaluated

Contaminants: Carbon Disulfide 6.0 ug/L Molybdenum 6.4 ug/L Vanadium 11.45 ug/L Zinc 15.1666667 ug/L Copper and compounds 15.3 ug/L Manganese and compounds 30.6666667 ug/L Boron 54.35 ug/L Chromium 89.5 ug/L Barium 151.5 ug/L Iron 273.0 ug/L Fluoride 300.0 ug/L Aluminum 365.0 ug/L Nickel (Soluble Salts) 551.0 ug/L

Soil: Risk Not Evaluated

Contaminants: Methylene Chloride 0.002 mg/kg Methyl Ethyl Ketone 0.011 mg/kg Arsenic 0.8438 mg/kg Lead 5.52 mg/kg Copper and compounds 8.4666666667 mg/kg Cobalt 12.95 mg/kg Nickel (Soluble Salts) 17.0 mg/kg Chromium 32.333333333 mg/kg Zinc 32.5 mg/kg Barium 116.0 mg/kg

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Update (Dec. 5, 2017): We have changed the source of the installation cost data after being notified by the Department of Defense that they erroneously reported their own cost figures on the DERP website. We are now displaying the costs the department says are the most accurate available, from the Pentagon’s DERP database that we received in a FOIA request.

Note: The risk level of a site refers to a relative risk assessment made by the DOD to prioritize the cleanup of sites.

Data: All data comes from the Defense Environmental Restoration Program and the U.S. Army Corps of Engineers, and will be released soon at the ProPublica Data Store. Read our methodology »